[App_rpt-users] parallel port use

Bryan Fields Bryan at bryanfields.net
Thu Feb 23 18:19:31 UTC 2017


On 2/23/17 1:14 PM, George Csahanin wrote:
> Has anyone ever tried the parallel port 
> interface using one of the USB<--->DB25 adapt-a-trons to see if that 
> would work

This will not work.  The USB to parallel ports require drivers and only
support ECP (printer) protocol.  There is no way to support this on USB as a
parallel port is memory mapped at 0x378, and you can't simulate this with out
a great deal of trickery.



-- 
Bryan Fields

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http://bryanfields.net



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